Thymosin Alpha-1
Tα1 · Thymalfasin · Zadaxin
A 28-amino acid peptide derived from the thymus with potent immunomodulatory effects approved in multiple countries for hepatitis and cancer supportive care.
Half-Life
~2 hours
MW
3108.5 Da
Amino Acids
28 AA
Evidence
High Evidence
Regulatory Status
Approved in multiple countries (Zadaxin). Research use in US/EU.
In Plain English
An immune system educator — trains your white blood cells to identify and respond to threats more effectively. Used clinically in 35+ countries for hepatitis B, hepatitis C, sepsis, and as a vaccine enhancer. FDA-approved analog exists.
Overview
Thymosin Alpha-1 is a naturally occurring thymic peptide that plays a central role in T-cell maturation and immune modulation. It is approved as Zadaxin in multiple Asian countries for chronic hepatitis B and C, certain cancers, and immunodeficiency. Extensive clinical trial history.
Common Formats
- Lyophilized powder (injectable)
- 1.6mg vials standard
Storage Notes
Refrigerate 4°C. Reconstituted: use within 8 hours.
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Related Compounds
LL-37
The only human cathelicidin antimicrobial peptide, with broad-spectrum antimicrobial activity, immunomodulation, and wound-healing properties.
Selank
A synthetic heptapeptide analogue of tuftsin with anxiolytic, nootropic, and immune-modulating properties developed in Russia.
BPC-157
A 15 amino acid peptide derived from human gastric juice, widely researched for its tissue-healing and cytoprotective properties.
Educational Disclaimer: All information on this page is for educational and research purposes only. This does not constitute medical advice, diagnosis, or treatment recommendation. Consult a qualified healthcare professional.